Use an integer to represent the value in the statement.a deduction of $415.57 in your checkbook
A. 415.57
B. -415.57
Answer: B
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Perform the indicated operations and write the result in standard form.2
+ 5
A. 16i
B. 16
C. -16i
D. -16
Simplify the expression. If any variables exist, assume that they are positive.
+ 7
+ 7
A. 56
B. 14
C. 57
D. 15
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(4x6 - 4x5 - 8x4 + 7) + (2x6 - 9x5 - 8x4 + 8)
A. -23x30 + 15 B. -2x6 - 2x5 + 12x4 - 2 C. 6x6 - 13x5 - 16x4 + 15 D. 6x12 - 13x10 - 16x8 + 15
Solve the problem.A projectile is fired with an initial velocity of 550 feet per second at an angle of 45° with the horizontal. To the nearest foot, find the maximum altitude of the projectile. The parametric equations for the path of the projectile are x = (550 cos 45°)t, and y = (550 sin 45°)t - 16t2.
A. 2355 ft B. 2346 ft C. 2379 ft D. 2363 ft